2.Power Supply: AC110V/220V

3.Standby Current: 10uA

4.Alarm Current: 23mA

5.Operation Tem: 0°- 50°

6.Low battery warning

7.Self-Test Button

8.Silence function with dual led indicator

9.Fault signal warning

10.Comply with EN50194

10.Alarm Sound Level: >85dB at 1meter

11.Detection gas type(optional) :

Butane/Propane/city gas/Methane/hydrogen/ammonia

12. Alarm sensitivity : <10%LEL

13.Low power consumption

14.high reliability and stability.

15.Easy to install, move and maintain